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/* Copyright (c) MariaDB 2020
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; version 2 of the License.
This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1335 USA */
#include <my_global.h>
#include <my_sys.h>
#include <my_crypt.h>
#include <tap.h>
#include <string.h>
#include <ctype.h>
#include <zlib.h>
/*
Check that optimized crc32 (ieee, or ethernet polynomical) returns the same
result as zlib (not so well optimized, yet, but trustworthy)
*/
#define DO_TEST_CRC32(crc,str) \
ok(crc32(crc,(const Bytef *)str,(uint)(sizeof(str)-1)) == my_checksum(crc, str, sizeof(str)-1), "crc32 '%s'",str)
/* Check that CRC32-C calculation returns correct result*/
#define DO_TEST_CRC32C(crc,str,expected) \
do { \
unsigned int v = my_crc32c(crc, str, sizeof(str)-1); \
printf("crc32(%u,'%s',%zu)=%u\n",crc,str,sizeof(str)-1,v); \
ok(expected == my_crc32c(crc, str, sizeof(str)-1),"crc32c '%s'",str); \
}while(0)
#define LONG_STR "1234567890234568900212345678901231213123321212123123123123123"\
"............................................................................." \
"xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx" \
"yyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy" \
"zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz"
int main(int argc __attribute__((unused)),char *argv[])
{
MY_INIT(argv[0]);
plan(14);
printf("%s\n",my_crc32c_implementation());
DO_TEST_CRC32(0,"");
DO_TEST_CRC32(1,"");
DO_TEST_CRC32(0,"12345");
DO_TEST_CRC32(1,"12345");
DO_TEST_CRC32(0,"1234567890123456789");
DO_TEST_CRC32(0, LONG_STR);
ok(0 == my_checksum(0, NULL, 0) , "crc32 data = NULL, length = 0");
DO_TEST_CRC32C(0,"", 0);
DO_TEST_CRC32C(1,"", 1);
DO_TEST_CRC32C(0, "12345", 416359221);
DO_TEST_CRC32C(1, "12345", 549473433);
DO_TEST_CRC32C(0, "1234567890123456789", 2366987449U);
DO_TEST_CRC32C(0, LONG_STR, 3009234172U);
ok(0 == my_crc32c(0, NULL, 0), "crc32c data = NULL, length = 0");
my_end(0);
return exit_status();
}
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